Chicago

Naked Raygun is a Chicago-based punk rock group. Initially active from 1980 to about 1992, Naked Raygun had several short-lived reunions afterwards and a full-time reformation in 2006.

Chicago is an American rock band formed in 1967 in Chicago, Illinois. The self-described "rock and roll band with horns" began as a politically charged, sometimes experimental, rock band and later moved to a predominantly softer sound, generating several hit ballads.

The Radiants were an American doo-wop and R&B group popular in the 1960s.

Rotary Connection was an American psychedelic soul band, formed in Chicago in 1966. The highly experimental band was the idea of Marshall Chess, son of Chess Records founder Leonard Chess.

Illinois Speed Press was an American rock band formed - originally, in 1965, as The Rovin' Kind - in Chicago, later relocating to California. The band was formed by Paul Cotton - later of Poco - and Kal David.

The Flock was a Chicago-based jazz-rock band that released two records on Columbia records in 1969 (The Flock) and 1970 (Dinosaur Swamps). Their violinist, Jerry Goodman, went on to become a member of Mahavishnu Orchestra and a solo artist.

The El Dorados were an American doo-wop group, who achieved their greatest success with the song "At My Front Door", a no. 1 hit on the R&B chart in 1955.